Use iPhone's Notes app collaborative feature to send private messages that look like regular note-taking to anyone watching your screen.

I started using my iPhone's Notes app for private conversations. Here's how.

Send secret messages on your iPhone using the built-in Notes app. Share and collaborate on notes for private, real-time chats—no extra apps or tools required.

Create private chat rooms using the iPhone Notes app collaboration feature with instant messaging capabilities and full control over conversation privacy.